{"id":11992,"date":"2024-07-08T02:30:36","date_gmt":"2024-07-08T02:30:36","guid":{"rendered":"https:\/\/economicherald.net\/?p=11992"},"modified":"2024-07-08T02:30:36","modified_gmt":"2024-07-08T02:30:36","slug":"red-metals-sybella-trial-serves-up-rich-potentially-saleable-ree-concentrate","status":"publish","type":"post","link":"https:\/\/economicherald.net\/?p=11992","title":{"rendered":"Red Metal\u2019s Sybella trial serves up rich, potentially saleable REE concentrate"},"content":{"rendered":"<p>Red Metal impurity removal trial successfully produces MREC product with 48.7% total rare earth oxides<br \/>\nValuable magnet rare earths make up 39.5% of this TREO content and represent 92.5% of the value of TREO products<br \/>\nAssays from recent step-out drilling expected shortly while optimisation of rare earths extraction continues<\/p>\n<p>\u00a0<\/p>\n<p><strong><em>Special Report:<\/em> Red Metal\u2019s first proof of concept impurity removal trial has successfully produced a potentially saleable mixed rare earth carbonate product using ore sourced from the company\u2019s Sybella discovery in northwest Queensland.<\/strong><\/p>\n<p>This follows interim results from Phase 2 metallurgical testing which demonstrated strong rare earth oxide recoveries on coarser\u00a0heap leach crush sizes early last month, confirming that low-capex, low-opex <a href=\"https:\/\/stockhead.com.au\/resources\/testing-adds-confidence-to-heap-leach-option-for-red-metals-rare-earths-discovery\/\"><strong>heap leach processing<\/strong><\/a> could be used at Sybella.<\/p>\n<p>Average extractions of 83% neodymium, 84% praseodymium, 51% dysprosium and 58% terbium were achieved from coarse chips of weathered granite.<\/p>\n<p>Phase 1 metallurgical testing found the REO content could be extracted using sulphuric acid at ambient temperature, a finding backed by industry specialists from the Australian Nuclear Science and Technology Organisation.<\/p>\n<p>Sybella is a unique, partially weathered and fresh REO-enriched granite that\u2019s more than 12km long and 3km wide, offering\u00a0<a href=\"https:\/\/stockhead.com.au\/company\/red-metal-rdm\/\"><strong>Red Metal (ASX:RDM)<\/strong><\/a>\u00a0the potential to uncover vast tonnages with high concentrations of valuable magnet rare earths such as neodymium, praseodymium, dysprosium and terbium.<\/p>\n<p><a href=\"https:\/\/stockhead.com.au\/resources\/drilling-steps-out-further-along-red-metals-unique-potentially-low-cost-rare-earths-project\/\"><strong>Initial drilling<\/strong><\/a>\u00a0starting at surface has outlined large\u00a0widths of granite-hosted REO mineralisation with wide zones of &gt;300 ppm NdPr oxide \u2013 valued for manufacturing permanent magnets used in electric vehicles and wind turbines.<\/p>\n<p>\u00a0<\/p>\n<p>Comparison of MREO basket value using current REO prices showing proportion of NdPr to the DyTb in the REO basket. Pic: Red Metal<\/p>\n<p>\u00a0<\/p>\n<h2><strong>Saleable MREC<\/strong><\/h2>\n<p>The company\u2019s first proof-of-concept impurity removal trial has now produced a MREC containing 48.7% total rare earth oxides (TREO).<\/p>\n<p>Importantly, valuable magnet REOs make up a hefty 39.5% of the TREO content and represent 92.5% of the value of TREO products in this concentrate.<\/p>\n<p>Likewise, critical heavy REOs make up 26.6% of the value of TREO in the product.<\/p>\n<p>The whole metallurgical process from ore leaching to rare earth carbonate precipitation process achieved high recoveries of MREOs with 75% Nd, 76% Pr, 52% Tb and 45% Dy recovered along with very low levels of uranium, thorium and iron.<\/p>\n<p>This is a higher MREO grade, higher MREO\/TREO ratio and higher HREO\/MREO ratio than MREC products from industry-leading ionic adsorption clay projects, RDM says.<\/p>\n<p>RDM expects additional improvements in downstream recovery and MREC purity once further optimisation is applied to the higher purity leach liquors derived from the current pH 3 and 3.5 test work.<\/p>\n<p>\u201cImpurity removal and precipitation of a saleable product with minimal REO loss is an important hurdle to clear for both the granite-hosted Sybella and ionic clay-hosted deposit types,\u201d Red Metal managing director Rob Rutherford said.<\/p>\n<p>\u201cAs such, success with our first impurity removal attempt is a major step forward for the Sybella REO discovery as it shows the essential indicators are in place to cost effectively produce a quality MREC product.<\/p>\n<p>\u201cThe company is very confident that our ongoing studies will confirm a process route that optimises REO recovery (increases revenue) while reducing the acid consumption rate and ensuring that impurities in the final product are satisfactorily minimised (lowering processing costs).<\/p>\n<p>\u201cSuccess with the studies would give confidence that a premium MREC product could be delivered with low operating costs.\u201d<\/p>\n<p>\u00a0<\/p>\n<h2><strong>Ongoing work programs<\/strong><\/h2>\n<p>RDM will continue work to seek the most cost-effective process for REO extraction while providing a more certain indication of the Sybella project\u2019s size and grade potential.<\/p>\n<p>Assays from over 8,000m of broad step-out drilling recently completed over a 24km2 area of the project are due shortly.<\/p>\n<p>Follow-on column leach test work and additional bottle roll tests using very weak acids (pH 2 to pH 3.5) run over extended residence times (&gt;120 days) are also underway.<\/p>\n<p>The company also plans to carry out infill resource drilling later this field season.<\/p>\n<p>\u00a0<\/p>\n\n<p><span class=\"mce_SELRES_start\">\ufeff<\/span>\u00a0<\/p>\n<p><em>This article was developed in collaboration with Red Metal, a Stockhead advertiser at the time of publishing. <\/em><\/p>\n<p><em>\u00a0<\/em><\/p>\n<p><em>This article does not constitute financial product advice. You should consider obtaining independent advice before making any financial decisions.<\/em><\/p>\n<p>The post <a href=\"https:\/\/stockhead.com.au\/resources\/red-metals-sybella-trial-serves-up-rich-potentially-saleable-ree-concentrate\/\">Red Metal\u2019s Sybella trial serves up rich, potentially saleable REE concentrate<\/a> appeared first on <a href=\"https:\/\/stockhead.com.au\/\">Stockhead<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Red Metal impurity removal trial successfully produces MREC product with 48.7% total rare earth oxides Valuable magnet rare earths make up 39.5% of this TREO <a href=\"https:\/\/economicherald.net\/?p=11992\" class=\"read-more-link\">[more&#8230;]<\/a><\/p>\n","protected":false},"author":0,"featured_media":11993,"comment_status":"","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-11992","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-finance"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - 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